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Consolidated Statements of Stockholders' Equity - USD ($) | Total | Preferred Stock | Common Stock | Treasury Stock | Capital in Excess of Par | Accumulated other comprehensive loss | Retained Earnings (Accumulated Deficit)
--- | --- | --- | --- | --- | --- | --- | ---
Balance, shares at Dec. 31, 2021 |  |  | 11,955,660 | 1,471,406 |  |  |
Balance, amount at Dec. 31, 2021 | $ 75,672,194 | $ 0 | $ 119,557 | $ (5,567,481) | $ 72,467,483 | $ 1,796,739 | $ 6,855,896
Stock-based compensation | 1,392,612 | 0 | $ 0 | 0 | 1,392,612 | 0 | 0
Vesting of restricted stock awards, shares |  |  | 262,490 |  |  |  |
Vesting of restricted stock awards, amount | 0 | 0 | $ 2,625 | 0 | (2,625) | 0 | 0
Issuance of common stock - employee stock purchase plan, shares |  |  | 33,222 |  |  |  |
Issuance of common stock - employee stock purchase plan, amount | 60,464 | 0 | $ 332 | 0 | 60,132 | 0 | 0
Shares deducted from restricted stock awards for payment of withholding taxes, shares |  |  | (79,860) |  |  |  |
Shares deducted from restricted stock awards for payment of withholding taxes, amount | (392,011) | 0 | $ (799) | 0 | (391,212) | 0 | 0
Warrants issued with exchange of debt | 993,200 | 0 | 0 | 0 | 993,200 | 0 | 0
Dividends | (1,277,066) | 0 | 0 | 0 | 0 | 0 | (1,277,066)
Net loss | (22,524,794) | 0 | 0 | 0 | 0 | 0 | (22,524,794)
Change in unrealized losses on available- for-sale securities, net of tax | (17,755,167) | 0 | $ 0 | $ 0 | 0 | (17,755,167) | 0
Balance, shares at Dec. 31, 2022 |  |  | 12,171,512 | 1,471,406 |  |  |
Balance, amount at Dec. 31, 2022 | 36,169,432 | 0 | $ 121,715 | $ (5,567,481) | 74,519,590 | (15,958,428) | (16,945,964)
Stock-based compensation | 832,597 | 0 | $ 0 | 0 | 832,597 | 0 | 0
Vesting of restricted stock awards, shares |  |  | 82,865 |  |  |  |
Vesting of restricted stock awards, amount | 0 | 0 | $ 828 | 0 | (828) | 0 | 0
Shares deducted from restricted stock awards for payment of withholding taxes, shares |  |  | (6,064) |  |  |  |
Shares deducted from restricted stock awards for payment of withholding taxes, amount | (13,409) | 0 | $ (60) | 0 | (13,349) | 0 | 0
Dividends | 0 |  |  |  |  |  |
Net loss | (6,168,346) | 0 | 0 | 0 | 0 | 0 | (6,168,346)
Change in unrealized gains on available- for-sale securities, net of tax | 3,683,865 | 0 | $ 0 | $ 0 | 0 | 3,683,865 | 0
Balance, shares at Dec. 31, 2023 |  |  | 12,248,313 | 1,471,406 |  |  |
Balance, amount at Dec. 31, 2023 | $ 34,504,139 | $ 0 | $ 122,483 | $ (5,567,481) | $ 75,338,010 | $ (12,274,563) | $ (23,114,310)

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